the president nns the week with a campaign boost thankssto a promising jobs eport. he unemployment rate defied expectationn - falling to a four year low of 7.8 perrent. obama says: "today's &pnews certainlyy s not an excuse to try to talk down thee economy ooscore a few political oints. it's a reminder that thisscountry has come too far to turn back now. " but there's no question this monthly report - the second to last one released before the election -- has poliiical implications. trippi says: "we've been talking over a year how noo preeident's has been reelected with unemployment above 8%. it will be significant that it is at 7.8%. " romney says the unemployment rate is own pinding work - but pprmarily because so many have stopped looking for nee job altogether. rrmney says: " if the same share of people were participating in the workforce today as on the ay the president got elected, why our unemployment rate would e pround 11%. that's the real realitt of important to note that a e." - number of ompanies were only &ppdding part time work.engler &preluctancc to c